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SS Model
SS model is the reduction in error (measured in sums of squares) due to the model; the area of all the squared deviations based on the distance between the complex model predictions and the null model predictions.
General Linear Model
General Linear Model is a mathematical notation that represents DATA = MODEL + ERROR; for example, the GLM form of the null model is written as , the GLM form of a more complex model with an additional parameter is written as.
simple model
A simple model is any model that is relatively more simple; in this course we typically compare relatively more complex models with one explanatory variable to a simple model that does not have any explanatory variables.
statistical model
A statistical model can help us (1) understand patterns in data, (2) predict what will happen in the future, and (3) improve the functioning of complex systems; there are many kinds of models, but the statistical model we focus on here generates a ...
null model
Null model uses the mean to model the distribution of a quantitative variable; called "null" because it does not have any explanatory variables; also called an empty model; sometimes referred to as a simple model because it is simpler than models ...